Iron



FIG. 1. is a Perspective View showing my new design;

FIG. 2 is a Side View thereof;

FIG. 3 is a Front View thereof;

FIG. 4 is and enlarged rear view thereof;

FIG. 5 is a Plan View thereof; and,

FIG. 6 is a bottom view thereof. 

The ornamental design for “an iron”, as shown. 